Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. What's So Great About a Rollover? Making a career move requires tough decisions, not the least of which is what to do with the funds in your retirement plan.